1195909116 has 36 divisors (see below), whose sum is σ = 2867950008. Its totient is φ = 387857088.

The previous prime is 1195909097. The next prime is 1195909139. The reversal of 1195909116 is 6119095911.

It is a super-2 number, since 2×1195909116² = 2860397227463802912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19971 + ... + 52826.

It is an arithmetic number, because the mean of its divisors is an integer number (79665278).

Almost surely, 2^1195909116 is an apocalyptic number.

It is an amenable number.

1195909116 is an abundant number, since it is smaller than the sum of its proper divisors (1672040892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1195909116 is a wasteful number, since it uses less digits than its factorization.

1195909116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72878 (or 72839 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 42.

The square root of 1195909116 is about 34581.9189172608. The cubic root of 1195909116 is about 1061.4496352104.

The spelling of 1195909116 in words is "one billion, one hundred ninety-five million, nine hundred nine thousand, one hundred sixteen".